Effects of SM on lameness and growth-plate morphology. Control group of birds showing normal posture with normal growth plate, Thiram fed birds showing lameness and enlarged growth plate width in the chicks with tibial dyschondroplasia (TD). SM group showing restored lameness and growth plate size by Salvia miltiorrhiza (SM) treatment. AC, Articular cartilage; TDL, TD lesion; GP, growth plate.